Atlantic Thorny OysterSpondylus americanusHave spines that grow upto 1.5 inches, but get covered with algae and coralsCan grow up to 4 inches in diameter Live in depths of 40 – 130 feet Live in fouling communities

Atlantic Triton’s Trumpet Charonia variegataNamed after the Greek God, Triton, who was Poseidon’s (God the Sea) sonThere are male and female Triton’s and they reproduce by internal fertilizationThey are able to capture and kill starfish Have poisonous saliva that paralyzes prey

Black Sea UrchinDiadema antillarumAlso known as Lime Urchin or Long-Spine Sea UrchinOne of the most important herbivores on coral reefs When populations are healthy, these grazers prevent algae overgrowth of the reefSpines an grow up to 12 inchesThey are light sensitive, and leave their crevasses at night in search of food

Christmas Tree WormsSpirobranchus giganteusHave well developed nervous systemsHave two spirals, that contain feather-like tentacles, bringing everything towards the moutRetract into tube upon disturbanceWhen reproducing their gametes become part of the zoo plankton carried by currents

Flamingo TongueCyphoma gibbosum1-1.7 inches Brightly coloured sea snailThe shell appears brightly coloured, but is actually mantle tissue that covers the shell, the mantle can be retracted into the shellFeeds on live tissue of soft corals

Giant Anemone Condylactis gigantean6-12 inchesSometimes has pink or purple tipsMouth is surrounded by more than 100 tentacles Basal disc is firmly attached to the substrate, and only tentacles free-float More mobile than most other speciesAggressive with other invertebrate to protect it’s territory

Giant TunicatePolycarpa spongiabilis3-4 inchesSolitary tunicateFilter feeder - uses two openings (siphons) to take in and expel waterMost of it's body is hidden, only exposing upper body and siphonsSolitary tunicates are often crusted in other organismsHave central nervous system (among the most complex invertebrate in the sea)

Gold Crowned Sea Goddess NudibranchHypselodoris acribaUp to 2.5 inchesNudibranch is Latin for "naked gills"Gills are an exposed plume that comes out of it's back

Painted TunicateClavelina PictaAttatch themselves to other organisms like sponges or corals and lives there permanently Tips of siphons are yellow - red to purple with translucent bodyLives in colonies Found up to 160 feet deep

Red-Spotted Horseshoe WormProtula serpulidae Tentacles form a “U-shape” giving them their horseshoe shape and nameUses its tentacles to feed on drifting plankton

Reef SquidSepioteuthis sepioideaCommunicate by changing colours, shapes and texturesTravel in schools of 4-30Consumes 30-70% of it's weight every day Recently it was discovered they can propel themselves out of the waterFemales die after laying eggs

Social Feather Duster WormsBispira brunneaBuild tubes out of parchment, sand, and bits of shellBeen around since Early Jurassic eraFilter feederRetract into tube upon disturbance

Variegated Feather DusterBispira variegateCrowns are usualy coloured gray to brown, but are sometimes uniform, or bandedPattern is formed by spots on the stem of the radioles

Yellow FanwormNotaulax occidentalisCrown is always yellow, and occasionally has purple stripes on it Crown base is purple or brown